[Bug]: Discard changes on version page does not discard client side

[Awakened-Redstone]

Describe the bug

When pressing discard changes the changes are not sent to the sever, but they are kept on the client, and are only cleared after a page refresh

Steps to reproduce

1. Go to a project's version page (of a project you can edit)
2. Click "Edit"
3. Edit the page
4. Click "Discard changes"
5. Your changes are visible on the version page, and are retained when editing again

Expected behavior

All changes are discarded from the client and you see the original version page

Additional context

Original page:

After discarding changes:

After clicking edit again:

[Allybe]

I call dibs on this bug!